<template>
  <div ref="node" :style="nodeContainerStyle" @click="clickNode" @mouseup="changeNodeSite"
    :class="nodeContainerClass">
    <!-- 最左侧的那条竖线 -->
    <div class="ef-node-left"></div>
    <!-- 节点名称 -->
    <div class="ef-node-text" :show-overflow-tooltip="true">
      {{node.name}}
    </div>
    <i class="el-icon-close" @click="delNode"></i>
  </div>
</template>

<script>
export default {
  props: {
    node: Object,
    activeElement: Object,
  },
  data() {
    return {};
  },
  computed: {
    nodeContainerClass() {
      return {
        "ef-node-container": true,
        "ef-node-active":
          this.activeElement.type == "node"
            ? this.activeElement.nodeId === this.node.id
            : false,
      };
    },
    // 节点容器样式
    nodeContainerStyle() {
      return {
        top: this.node.top,
        left: this.node.left,
      };
    },
    nodeIcoClass() {
      var nodeIcoClass = {};
      nodeIcoClass[this.node.ico] = true;
      // 添加该class可以推拽连线出来，viewOnly 可以控制节点是否运行编辑
      nodeIcoClass["flow-node-drag"] = this.node.viewOnly ? false : true;
      return nodeIcoClass;
    },
  },
  methods: {
    // 点击节点
    clickNode() {
      this.$emit("clickNode", this.node.id);
    },
    // 鼠标移动后抬起
    changeNodeSite() {
      // 避免抖动
      if (
        this.node.left == this.$refs.node.style.left &&
        this.node.top == this.$refs.node.style.top
      ) {
        return;
      }
      this.$emit("changeNodeSite", {
        nodeId: this.node.id,
        left: this.$refs.node.style.left,
        top: this.$refs.node.style.top,
      });
    },
    delNode() {
      this.$emit("deleteNode", this.node.id);
    },
  },
};
</script>
<style lang="less" scoped>
.el-icon-close {
  position: absolute;
  top: -10px;
  right: -20px;
  z-index: 999;
  display: inline-block;
  background-color: red;
  padding: 4px;
  border-radius: 50%;
  color: #fff;
}
</style>